There's some very timely information that just came out related to this ... go to https://www.enginelabs.com/engine-t...jamora-answers-your-tech-questions-pt-1/ and read question #6

1972 Pro-Street 'Cuda, 500" Eagle stoker B Block, Eddy RPM heads, Victor Manifold, 850 Mighty Demon, Hemi 4 Speed, Dana 60 w/4.88 gears - Built by Hansen Racing Middlesex - NJ